The One Drink a Nutritionist Would Add to Your Diet for Glowing Skin

There's no doubt that the food we eat can manifest via physical changes. While weight fluctuation is a common indication that our diet might be off-balance, Josh Axe, DNM, DC, CNS, says your skin also offers subtle clues about your health.

"As we age, collagen production declines," he explains in a post on his website. "You’ll notice it physically: looser skin, more wrinkles and less elasticity." Other lifestyle factors, like eating a diet high in sugar, deplete your collagen stores, leaving your complexion looking dull.

It's not all bad news, though. Axe argues that adding a collagen supplement or nutrient-rich bone broth drink to your diet can return your skin to its former luminous state. He points to a study that found women who consumed more than 2.5 grams of collagen each day for eight weeks saw improved skin elasticity and moisture. "This makes collagen one of the best natural skin care ingredients available," he says.

Here are the changes you'll notice if you add collagen to your diet every day, says Axe: